HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington, D.C.

$162+ Cheap flights from San José (SJO) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — WAS
Aug 12 — Aug 191
Wed 8/12
Wed 8/19
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San José to Washington, D.C. with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from San José Juan Santamaria Intl to Washington, D.C. are usually found in February or September, booked 17 days in advance, depart on a Tuesday or Thursday and return on a Thursday

Cheap flight deals from San José to Washington, D.C.

Cheapest flights from San José to Washington, D.C.
Explore the most affordable flight options available from San José to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 13, 2026.

This American Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/181:00 pm
SJO
-
BWI
2 stops21h 49m
American Airlines
Fri 10/238:16 pm
BWI
-
SJO
2 stops19h 44m
American Airlines
Deal found 7/10$285
This United Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:44 pm
SJO
-
BWI
2 stops19h 55m
United Airlines
Wed 10/216:05 am
BWI
-
SJO
2 stops15h 32m
United Airlines
Deal found 7/9$286
This American Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:00 pm
SJO
-
BWI
2 stops18h 44m
American Airlines
Tue 10/66:00 am
BWI
-
SJO
1 stop16h 05m
American Airlines
Deal found 7/13$290
This American Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:39 pm
SJO
-
BWI
2 stops19h 33m
American Airlines
Sat 11/145:04 am
BWI
-
SJO
2 stops16h 51m
American Airlines
Deal found 7/13$293
This Avianca deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:25 pm
SJO
-
IAD
1 stop6h 50m
Avianca
Mon 9/284:10 am
IAD
-
SJO
1 stop6h 35m
Avianca
Deal found 7/9$331
This American Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:00 pm
SJO
-
DCA
1 stop17h 59m
American Airlines
Thu 9/1710:00 am
DCA
-
SJO
1 stop12h 07m
American Airlines
Deal found 7/10$331
This American Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:00 pm
SJO
-
IAD
1 stop23h 18m
American Airlines
Mon 9/286:15 pm
IAD
-
SJO
2 stops20h 44m
American Airlines
Deal found 7/9$334
This Avianca deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:05 am
SJO
-
IAD
1 stop8h 50m
Avianca
Tue 9/83:40 am
IAD
-
SJO
1 stop6h 50m
Avianca
Deal found 7/10$336
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:15 pm
SJO
-
IAD
Nonstop4h 44m
United Airlines
Sat 11/75:55 pm
IAD
-
SJO
1 stop18h 30m
United Airlines
Deal found 7/13$338
This United Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:25 pm
SJO
-
IAD
2 stops24h 56m
United Airlines
Sat 11/710:10 pm
IAD
-
SJO
1 stop35h 22m
United Airlines
Deal found 7/9$339
This Avianca deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:25 pm
SJO
-
IAD
1 stop6h 50m
Avianca
Tue 9/153:40 am
IAD
-
SJO
1 stop6h 50m
Avianca
Deal found 7/9$340
This Avianca deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:10 pm
SJO
-
IAD
1 stop9h 35m
Avianca
Mon 9/143:40 am
IAD
-
SJO
1 stop6h 50m
Avianca
Deal found 7/10$341

Find flight deals from San José to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from San José (SJO) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$285
(American Airlines)

One-way from

$162
(Delta)

Popular in

July

Cheapest in

February

Average price

$380

Good one-way deal

$380 or less
Provider with most accurate pricing for San José Juan Santamaria Intl-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-Washington, D.C. (WAS) flights.
Search Deals
From San José Juan Santamaria Intl to Washington, D.C. (WAS)
Search Deals
One-way flight from San José Juan Santamaria Intl to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a one-way flight from San José Juan Santamaria Intl to Washington, D.C. (WAS).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San José to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 13, 2026.
Use the filters below to find and compare flights from San José to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Sun 7/26

8:45 am-4:21 am

1 stop17h 36m

Washington, D.C. Dulles Intl

Wed 8/5

4:34 pm-7:10 am

1 stop16h 36m

$342

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Sat 9/19

8:45 am-7:35 am

1 stop20h 50m

Washington, D.C. Dulles Intl

Sat 9/26

6:37 pm-7:15 am

1 stop14h 38m

$343

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Thu 12/24

9:40 am-5:58 am

1 stop19h 18m

Washington, D.C. Dulles Intl

Sun 1/3

10:42 pm-8:39 pm

1 stop22h 57m

$343

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Sat 9/5

8:45 am-9:22 pm

1 stop34h 37m

Washington, D.C. Dulles Intl

Sun 9/20

8:31 am-12:21 pm

1 stop29h 50m

$343

San JoséBaltimore

SJO - BWI

SJOBWI

San José Juan Santamaria Intl

Tue 10/6

7:55 am-10:59 pm

2 stops13h 04m

Baltimore/Washington

Tue 10/20

6:51 pm-12:21 pm

2 stops19h 30m

$343

San JoséWashington, D.C.

SJO - DCA

SJODCA

San José Juan Santamaria Intl

Fri 7/24

7:55 am-10:15 pm

1 stop12h 20m

Washington, D.C. Reagan-National

Mon 7/27

7:28 pm-10:11 am

1 stop16h 43m

$343

San JoséWashington, D.C.

SJO - DCA

SJODCA

San José Juan Santamaria Intl

Fri 9/11

7:55 am-9:05 pm

1 stop11h 10m

Washington, D.C. Reagan-National

Wed 9/16

6:00 am-12:21 pm

1 stop8h 21m

$343

San JoséWashington, D.C.

SJO - DCA

SJODCA

San José Juan Santamaria Intl

Sat 9/5

1:25 pm-4:04 pm

1 stop24h 39m

Washington, D.C. Reagan-National

Sat 9/12

7:00 pm-7:15 am

1 stop14h 15m

$343

San JoséWashington, D.C.

SJO - DCA

SJODCA

San José Juan Santamaria Intl

Wed 9/2

7:55 am-6:26 pm

1 stop8h 31m

Washington, D.C. Reagan-National

Tue 9/8

12:52 pm-7:37 pm

1 stop8h 45m

$343

San JoséWashington, D.C.

SJO - DCA

SJODCA

San José Juan Santamaria Intl

Wed 9/30

12:44 pm-7:49 am

1 stop17h 05m

Washington, D.C. Reagan-National

Wed 10/14

6:00 am-11:38 am

1 stop7h 38m

$343

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Compare providers for flights from San José to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San José to Washington, D.C. in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San José-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San José-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San José-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San José-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San José-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San José to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from San José with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San José to Washington, D.C.

What is the cheapest month to book a flight from San José to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from San José to Washington, D.C. (average of $104). Flying from San José to Washington, D.C. in December is currently the most expensive (average of $598). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SJO to WAS?

Find hourly flight availability from San José to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 13, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San José to Washington, D.C. as you normally would.

How much does it cost to fly round-trip from San José to Washington, D.C.?

How often are flights from San José to Washington, D.C. delayed?

About 14% of weekly flights between San José and Washington, D.C. have experienced delays in the past year, with the average delay time being 123 minutes.

What is the most punctual flight time for San José to Washington, D.C. flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on San José to Washington, D.C. flights?

Over the last year, Avianca have had the lowest number of delays on this route, with just 13% of flights being delayed.

How far ahead should I book a flight from San José to Washington, D.C.?

The best time to book flights from San José to Washington, D.C. is 60 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

The best insider tips for San José to Washington, D.C. flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San José to Washington, D.C. trip
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on SJO

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated July 13, 2026.
See what other customers who have flown with Delta,Copa Airlines, andUnited Airlines from San José to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,463 reviews

Food

7.2

Comfort

7.8

Crew

8.5

Entertainment

7.8

Overall

7.8

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
Delta
7.8
Good
8,463 reviews
Delta
7.8
Good
8,463 reviews

Food

7.2

Comfort

7.8

Crew

8.5

Entertainment

7.8

Overall

7.8

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
Copa Airlines
7.6
Good
1,560 reviews
Delta
7.8
Good
8,463 reviews

Food

7.2

Comfort

7.8

Crew

8.5

Entertainment

7.8

Overall

7.8

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
United Airlines
7.4
Good
9,983 reviews
Delta
7.8
Good
8,463 reviews

Food

7.2

Comfort

7.8

Crew

8.5

Entertainment

7.8

Overall

7.8

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
American Airlines
7.1
Good
11,814 reviews
Delta
7.8
Good
8,463 reviews

Food

7.2

Comfort

7.8

Crew

8.5

Entertainment

7.8

Overall

7.8

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
Avianca
6.5
Okay
2,522 reviews
Delta
7.8
Good
8,463 reviews

Food

7.2

Comfort

7.8

Crew

8.5

Entertainment

7.8

Overall

7.8

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

Related info for your journey

Find useful and relevant information for your journey from San José to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San José to Washington, D.C.?

    Most people fly from San José Juan Santamaria Intl (SJO) if they book a flight from San José to Washington, D.C.. On average, Juan Santamaria Intl has 0 outbound flights to Washington, D.C. per day from 5 airlines. San José Juan Santamaria Intl is conveniently located just 8.8 mi from San José’s city center.

  • How long is the flight from San José to Washington, D.C.?

    A quick flight from San José to Washington, D.C. can take about 7h 30m. Copa Airlines provides one of the quickest options available for as low as $358. San José and Washington, D.C. are separated by a distance of 2068 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from San José to Washington, D.C. round-trip?

    Avianca, at $201, was found to be the cheapest airline from San José to Washington, D.C..Alternate airlines to your destination round-trip include United Airlines and American Airlines. Avianca is priced at 36% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from San José to Washington, D.C. one-way?

    $129 is the cheapest one-way deal found within the past few days, from Avianca. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $136 and $136, respectively.

  • What are the most popular routes from San José to Washington, D.C.?

    The most popular flight routes from San José to Washington, D.C. are San José Juan Santamaria Intl - Washington, D.C. Dulles Intl, San José Juan Santamaria Intl - Washington, D.C. Reagan-National and San José Juan Santamaria Intl - Baltimore/Washington.

  • Can I find deals for flights from San José to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on San José to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San José to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San José to Washington, D.C..

  • Can I find deals for business class flights from San José to Washington, D.C.?

    Yes. Cheapflights offers flight deals from San José to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San José to Washington, D.C.?

    Currently, August is the cheapest month in which you can book a flight from San José to Washington, D.C. (average of $104). Flying from San José to Washington, D.C. in December is currently the most expensive (average of $598). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Manassas
Falls Church
Fredericksburg
Hanover
Laurel
Silver Spring
Clinton
Hunt Valley
Cordova
Woodbridge

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San José to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
San José to Dulles Intl flights
Liberia to Dulles Intl flights

Top 5 airlines flying from San José to Washington, D.C.

Discover the top 5 airlines that operate flights from San José to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$201Average$347FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$216Average$329FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$225Average$359FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$246Average$542FlexibilityNo cancel feeOn-time63%
Copa AirlinesCheapest$277Average$354FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.